New Records of Seagrass Flora in Air Bangis West Sumatera

Eni, Kamal (2010) New Records of Seagrass Flora in Air Bangis West Sumatera. Jurnal Natur Indonesia, 13 (1). pp. 77-81. ISSN 1410-9379

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Abstract

Seagrasses in the Air Bangis Archipelago, west coast of Sumatra were found growing in sandy muddy substrates of the shallow coastal waters at depth of 0.3-2.5 m, dominated by degraded coral reefs around the off-shore islands. Two species; Enhalus acoroides (L.f) Royle and Thalassia hemprichii (Ehrenb) Aschers were observed at Pulau Unggas, Pulau Pasir Panjang and Teluk Tapang. Halodule uninervis (Forssk) Aschers was observed in two locations; Pasir Panjang and Teluk Tapang. The occurrence of this species is unknown previously and therefore it is a new flora record for Sumatra. With this new record, Sumatra has six species of seagrasses, contributing to half of total number of seagrasses occurring in Indonesia. According to leaf width measurements, two morphological variants (narrow and wide leaved) can be distinguished for Halodule uninervis. In addition, descriptions of the species and their habitat characteristic are provided.

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